80 lines
3.0 KiB
C++
80 lines
3.0 KiB
C++
// Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License, version 2.0,
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// as published by the Free Software Foundation.
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//
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// This program is also distributed with certain software (including
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// but not limited to OpenSSL) that is licensed under separate terms,
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// as designated in a particular file or component or in included license
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// documentation. The authors of MySQL hereby grant you an additional
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// permission to link the program and your derivative works with the
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// separately licensed software that they have included with MySQL.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License, version 2.0, for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/// @file
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///
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/// Declares the is_simple functor interface.
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///
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/// The functor is not intended for use directly by MySQL code. It should be
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/// used indirectly through the gis::is_simple() function.
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///
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/// @see gis::is_simple
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#ifndef SQL_GIS_IS_SIMPLE_FUNCTOR_H_INCLUDED
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#define SQL_GIS_IS_SIMPLE_FUNCTOR_H_INCLUDED
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#include <boost/geometry.hpp>
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#include "sql/gis/functor.h" // gis::Unary_functor
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#include "sql/gis/geometries.h" // gis::Geometry
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#include "sql/gis/geometries_cs.h" // gis::{Cartesian_*, Geographic_*}
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namespace gis {
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/// Is_simple functor calls boost::geometry::is_simple with the correct
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/// parameter types.
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///
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/// The functor may throw exceptions. It is intended for implementing geographic
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/// functions. It should not be used directly by other MySQL code.
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class Is_simple : public Unary_functor<bool> {
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boost::geometry::strategy::intersection::geographic_segments<> m_geostrat;
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// For instantiating gis::Intersects when evaluating a Geometrycollection.
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double m_semi_major;
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double m_semi_minor;
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public:
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Is_simple(double semi_major, double semi_minor);
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bool operator()(const Geometry &g) const override;
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bool eval(const Cartesian_point &g) const;
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bool eval(const Cartesian_linestring &g) const;
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bool eval(const Cartesian_polygon &g) const;
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bool eval(const Cartesian_multipoint &g) const;
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bool eval(const Cartesian_multipolygon &g) const;
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bool eval(const Cartesian_multilinestring &g) const;
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bool eval(const Geographic_point &g) const;
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bool eval(const Geographic_linestring &g) const;
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bool eval(const Geographic_polygon &g) const;
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bool eval(const Geographic_multipoint &g) const;
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bool eval(const Geographic_multipolygon &g) const;
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bool eval(const Geographic_multilinestring &g) const;
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bool eval(const Geometrycollection &g) const;
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};
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} // namespace gis
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#endif // include guard
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